Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 23.88
Milk (kg) -469.00 -0.014 6.57
Fat (kg) -26.03 -0.375 9.75
Prot (kg) -17.14 -0.441 7.56
Fertility Sub Index 8.21
Calving Interval (days) -3.94 -1.459 5.75
Survival (%) 2.20 1.117 2.46
Calving Sub Index -1.20
Gestation Length (days) 1.31 -0.919 -1.20
Beef Sub Index 2.07
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 0.94 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 37.62

* Based on an €80/tonne carbon price